1headlessCheckout.form.onNextAction((nextAction) => {
2  switch (nextAction.type) {
3    case 'show_fields':
4      this.handleShowFieldsAction(nextAction);
5  }
6});

1<psdk-payment-form></psdk-payment-form>
2<psdk-submit-button text="Pay" />

 1headlessCheckout.form.onNextAction((nextAction) => {
 2  switch (nextAction.type) {
 3    ...
 4    case 'special_button': {
 5      if (nextAction.data.buttonName === 'google-pay') {
 6        showGoogleButton = true;
 7      }
 8    }
 9  }
10});

1@if (showGoogleButton) {
2  <psdk-google-pay-button></psdk-google-pay-button>
3}

1const config: InitialOptions = {
2  isWebview: false,
3  theme: 'default',
4  language: parameters.language,
5  isGooglePayInstantFlowEnabled: true
6};
7
8await headlessCheckout.init(config);